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Let us say, we want to backup the Transaction log of the AdventureWorks2017 database only if the log file space used Since this is a DBCC command, you cannot directly use it to include as the checking before the execution of a

Scheduled for frequent time schedules such as fifteen minutes or 30 minutes, you have a good chance of creating manyĭBCC SQLPERF (LOGSPACE) WITH NO_INFOMSGS will provide the Log Size and the Log Space used for each log file in the Especially, in logīackup, you need to use all the files even though they are small files. However, if thereĪre no or fewer transactions between these schedules, you will end up with tiny, small files. Typically, you schedule differential and transaction log backups in a database server instance. That a differential backup is related to the last full backup while transaction log backup is related to the last Since log backup will empty the log file, it will be an incremental backup file that means you need all the log backups in case of a database restore.ĭifferential backup will create a backup with all the modified data pages after the last full backup.

When transaction log backup is taken, the inactive portion of the log file will be empty and the inactive portion will be taken into the backup file. If your database is configured for either a full or bulk-logged recovery model, transaction log backup can be taken. A Full backup will get the entire database into a backup. In SQL Server there are mainly three backup types, Full Backup, Differential Backup, and Transactional Log backups. This article is dedicated to creating custom differential and Transaction log backups so that you will see sufficient data in the file size.